This Ikelite 5505.46 flat port is for the Nikon 105mm Macro f/2.8G ED-IF AF-S VR lens when used in an Ikelite SLR housing. When using this port the lens can be used in auto-focus mode only.
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5505.46 Flat Port for Nikon 105mm Macro f/2.8G ED-IF AF-S VR Lens in SLR Housing
1 Year warranty